Home / 1,435,487,570.28-1,981,341,426.42-934,943,664.29

Finding the Fourth Proportional to 1,435,487,570.28, 1,981,341,426.42 and 934,943,664.29

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Solution

The fourth proportional to 1,435,487,570.28, 1,981,341,426.42 and 934,943,664.29 is: 1,290,462,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,487,570.28 : 1,981,341,426.42 = 934,943,664.29 : x
  2. Step 2: Convert to fraction form
    1,435,487,570.28/1,981,341,426.42 = 934,943,664.29/x
  3. Step 3: Cross multiply
    1,435,487,570.28x = 1,981,341,426.42 × 934,943,664.29
  4. Step 4: Simplify right side
    1,435,487,570.28x = 1,852,442,613,416,783,616
  5. Step 5: Solve for x
    x = 1,852,442,613,416,783,616/1,435,487,570.28
  6. Step 6: Final answer
    x = 1,290,462,315.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.